42611205 has 128 divisors (see below), whose sum is σ = 92897280. Its totient is φ = 16174080.

The previous prime is 42611189. The next prime is 42611207. The reversal of 42611205 is 50211624.

It is not a de Polignac number, because 42611205 - 2⁴ = 42611189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42611207) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 803959 + ... + 804011.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^42611205 is an apocalyptic number.

It is an amenable number.

42611205 is an abundant number, since it is smaller than the sum of its proper divisors (50286075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42611205 is a wasteful number, since it uses less digits than its factorization.

42611205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 42611205 is about 6527.7258674059. The cubic root of 42611205 is about 349.2807132791.

42611205 divided by its sum of digits (21) gives a triangular number (2029105 = T₂₀₁₄).

Adding to 42611205 its reverse (50211624), we get a palindrome (92822829).

The spelling of 42611205 in words is "forty-two million, six hundred eleven thousand, two hundred five".